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A NOTE ON PSEUDOVARIETIES OF COMPLETELY REGULAR SEMIGROUPS

Title
A NOTE ON PSEUDOVARIETIES OF COMPLETELY REGULAR SEMIGROUPS
Type
Article in International Scientific Journal
Year
2015
Authors
Jorge Almeida
(Author)
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Alfredo Costa
(Author)
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Journal
Vol. 92 No. 2
Pages: 233-237
ISSN: 0004-9727
Indexing
Publicação em ISI Web of Science ISI Web of Science
Scientific classification
CORDIS: Physical sciences > Mathematics > Algebra
FOS: Natural sciences > Mathematics
Other information
Authenticus ID: P-00G-M2T
Abstract (EN): A paper of Almeida and Trotter ['The pseudoidentity problem and reducibility for completely regular semigroups', Bull. Aust. Math. Soc. 63 (2001), 407-433] makes essential use of free profinite semigroupoids over profinite graphs with infinitely many vertices. It has since been shown that such structures must be handled with great care. In this note, it is verified that the required properties hold for the profinite graphs considered by Almeida and Trotter, thereby filling the gaps in the proof.
Language: English
Type (Professor's evaluation): Scientific
No. of pages: 5
Documents
File name Description Size
CR-graph-tame-sgpoid-final 226.92 KB
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